AU2003289137A1 - Optical disk unit and aberration correcting method used for this - Google Patents

Optical disk unit and aberration correcting method used for this

Info

Publication number
AU2003289137A1
AU2003289137A1 AU2003289137A AU2003289137A AU2003289137A1 AU 2003289137 A1 AU2003289137 A1 AU 2003289137A1 AU 2003289137 A AU2003289137 A AU 2003289137A AU 2003289137 A AU2003289137 A AU 2003289137A AU 2003289137 A1 AU2003289137 A1 AU 2003289137A1
Authority
AU
Australia
Prior art keywords
optical disk
method used
disk unit
correcting method
aberration correcting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003289137A
Other languages
English (en)
Inventor
Junichiro Tonami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of AU2003289137A1 publication Critical patent/AU2003289137A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Lenses (AREA)
AU2003289137A 2002-12-10 2003-12-03 Optical disk unit and aberration correcting method used for this Abandoned AU2003289137A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002-357947 2002-12-10
JP2002357947 2002-12-10
PCT/JP2003/015469 WO2004053856A1 (ja) 2002-12-10 2003-12-03 光ディスク装置及びこれに用いる収差補正方法

Publications (1)

Publication Number Publication Date
AU2003289137A1 true AU2003289137A1 (en) 2004-06-30

Family

ID=32500883

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003289137A Abandoned AU2003289137A1 (en) 2002-12-10 2003-12-03 Optical disk unit and aberration correcting method used for this

Country Status (8)

Country Link
US (1) US7542385B2 (ja)
EP (1) EP1575039B1 (ja)
JP (1) JP4093233B2 (ja)
KR (1) KR100644957B1 (ja)
CN (1) CN1324587C (ja)
AU (1) AU2003289137A1 (ja)
DE (1) DE60329021D1 (ja)
WO (1) WO2004053856A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006073124A (ja) 2004-09-03 2006-03-16 Sony Corp 光学ピックアップ
JP4527591B2 (ja) * 2005-04-15 2010-08-18 株式会社日立製作所 情報記録再生方法及び情報記録再生装置
US20090135685A1 (en) * 2005-09-06 2009-05-28 Pioneer Corporation Aberration correcting apparatus and program for correcting aberration
JP4445913B2 (ja) 2005-09-15 2010-04-07 株式会社日立製作所 光ピックアップ及びその調整方法
JP4410177B2 (ja) 2005-09-21 2010-02-03 株式会社日立製作所 情報記録再生方法及び情報記録再生装置
JP4830426B2 (ja) 2005-09-28 2011-12-07 ソニー株式会社 光記録媒体、記録装置、記録又は再生装置、記録方法、記録又は再生方法
JP2008310903A (ja) * 2007-06-15 2008-12-25 Sony Corp 補正値設定装置及び補正値設定方法
US20120098164A1 (en) * 2007-07-20 2012-04-26 Shyi-Herng Kan Two-photon stereolithography using photocurable compositions
JP2009026427A (ja) * 2007-07-23 2009-02-05 Hitachi Ltd 光ディスク装置及びその制御方法
TWI368220B (en) * 2008-06-26 2012-07-11 Sunplus Technology Co Ltd Optical storage system and spherical aberration compensation apparatus and method thereof
JP5692969B2 (ja) 2008-09-01 2015-04-01 浜松ホトニクス株式会社 収差補正方法、この収差補正方法を用いたレーザ加工方法、この収差補正方法を用いたレーザ照射方法、収差補正装置、及び、収差補正プログラム
JP5612895B2 (ja) * 2010-04-13 2014-10-22 パナソニック株式会社 球面収差補正適正位置探索装置および球面収差補正適正位置探索方法
JP5928154B2 (ja) * 2012-05-22 2016-06-01 船井電機株式会社 光ディスク装置
JP6777228B2 (ja) * 2017-05-17 2020-10-28 富士通株式会社 制御装置、通信システム、および制御方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09251645A (ja) * 1996-03-15 1997-09-22 Sony Corp 記録媒体記録再生装置および記録媒体記録再生方法
JP2000011388A (ja) * 1998-06-19 2000-01-14 Sony Corp 光情報記録再生装置および光情報記録再生方法
JP2000040237A (ja) * 1998-07-17 2000-02-08 Sony Corp 光記録再生装置及び光記録再生方法
DE60034826T2 (de) * 1999-01-22 2008-01-31 Konica Minolta Opto, Inc., Hachioji Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe
US6728179B1 (en) * 1999-05-10 2004-04-27 Sharp Kabushiki Kaisha Apparatus and method for optical recording/reproducing information including electrical spherical-aberration correction mechanism having low power consumption
JP3769666B2 (ja) 2000-11-09 2006-04-26 日本電気株式会社 収差補正方法および光ディスク装置
JP2002163830A (ja) * 2000-11-24 2002-06-07 Toshiba Corp 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体
KR100754158B1 (ko) * 2000-12-08 2007-09-03 삼성전자주식회사 구면수차 검출 및/또는 보정 가능한 광픽업장치
KR100354771B1 (ko) 2000-12-28 2002-10-05 삼성전자 주식회사 기록매체 두께 변화 검출 및/또는 그 두께 변화에 의해발생된 구면수차 보정 가능한 광픽업장치
JP3765235B2 (ja) * 2001-02-16 2006-04-12 日本電気株式会社 光ディスク装置
US6934226B2 (en) * 2001-04-12 2005-08-23 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus
JP4257049B2 (ja) * 2001-07-06 2009-04-22 パイオニア株式会社 多層ディスク記録再生装置およびフォーカスジャンプ方法
KR100823246B1 (ko) * 2001-09-04 2008-04-21 삼성전자주식회사 광픽업장치
JP4129164B2 (ja) 2001-12-07 2008-08-06 松下電器産業株式会社 光情報処理装置および光情報処理方法
US7277365B2 (en) * 2001-12-07 2007-10-02 Matsushita Electric Industrial Co., Ltd. Optical information processing apparatus and method of processing optical information
JP3692072B2 (ja) 2001-12-26 2005-09-07 株式会社東芝 光ディスク装置の調整方法及び光ディスク装置
JP4139751B2 (ja) * 2002-08-26 2008-08-27 松下電器産業株式会社 光ディスク装置

Also Published As

Publication number Publication date
WO2004053856A1 (ja) 2004-06-24
EP1575039A1 (en) 2005-09-14
EP1575039A4 (en) 2008-04-09
EP1575039B1 (en) 2009-08-26
CN1324587C (zh) 2007-07-04
US20060114793A1 (en) 2006-06-01
US7542385B2 (en) 2009-06-02
KR20050085480A (ko) 2005-08-29
DE60329021D1 (de) 2009-10-08
KR100644957B1 (ko) 2006-11-10
JPWO2004053856A1 (ja) 2006-04-13
CN1745421A (zh) 2006-03-08
JP4093233B2 (ja) 2008-06-04

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase